19820548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{10987}}^1$

素因数の和:11043

約数の個数: 24

約数和(自身を含む): 38765664

約数和(自身を除く): 18945116

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 10987, 21974, 43948, 120857, 241714, 450467, 483428, 900934, 1801868, 4955137, 9910274, 19820548]

約数ペア:

[(1, 19820548), (2, 9910274), (4, 4955137), (11, 1801868), (22, 900934), (41, 483428), (44, 450467), (82, 241714), (164, 120857), (451, 43948), (902, 21974), (1804, 10987)]